Machine for labeling cylindrical packages.



W. H. LEISTBRKL H2 T. SCHABPFBR;

APPLICATION FILED FEB. 12, 1907.

MACHINE FOR LABELING GYLINDRIGAL PACKAGES.y

IW m.

W. H. LHISTER & H. P. SGHAEFFER.

MACHINE POR LABELING GYLINDRIGAL PACKAGES.

.Y APPLICATION FILED'IHB. 12, 1907. 1,101,200. Patented June 23,1914.

13 SHEETS-SHEET 2.

www#

' W. H. LEISTER & H. F. SQHAEPPER. MACHINE PoR LABELING GYLINDRIGAL PACKAGES.

APPLICATION FILED PEB. 12, 1907.

Patented June 23, 1914.

13 SHEETS-SHEET 3.

- WHA/5885s;

4 TTOR/VE VS W. H. LEISTER & H. F, SGHAEFFER.

MAGBINB PoR LABELING GYLINDRXGAL PACKAGES. APPLICATION FILED FEB.12, 14907.

1,101,204.0, v v Patented June 23,1914;

13 SHEETS-SHEET 4.

lly

WITNESS 8:

A W. H. LEIlSTBR & H. F. ISGHAEPPER. MACHINE FOR LABELING GYLINDRIGAL PACKAGES.

APPLICATION FILED PEB, 12, 1907. I

Patetea June 23, 191,4.

13 SHEETS-SHEET 5.

ATTORNEYS W. H. LEISTER '& H. F. SCHAEPPER. MAGHINB'FOR LABELING CYLINDRIGAL PACKAGES. l APPLICATION FILED FEB. 12, 1907.

1,101,200. Patented June 23, 1914n 13 SHEETS-SHEET ATTORNEYS W..H. LEISTER & H. F. SCHAEFFER. MACHINE FOR LABBLING GYLINDRIGAL PACKAGES.

APPLICATION FILED IEB. 12, 1907.

. 1,101,200. v Patented June 23, 1914.

13 SHEETS-SHEET 7.

W. H. LEISTER & H. F. SGHAEFFER. MACHINE FOR LABELING CYLINDRIGAL PACKAGES.

APPLIGATION FILED FEB. l2, 1907.

1,101,200 Patentd June 23, 1914.

13 SHEETS-SHEET s.

` ATTORNEYS W. H. LEISTER (YL H. F. SGHAEPFER.

MACHINE` PDR LABBLING GYLINDRIGAL PACKAGES. APPLIGATION FILED FEB.12, 1907.

' atented June 23, 1914.

ATTR/VEVS W. H. LEISTER L H. F. SGHAEFPER. MACHINE PoR LABBLING GYLINDRIGAL PACKAGES,

APPLICATION FILED FBB.1Z, 1907.

1,101,200. Patented June 23,' 1914.

13 SHEETS-SHEET 10.

WIT/VESSES: l /lVl/ENTUHS 0g. WML/HM H. as TER Hon/#R0 ESCH/MFFER wif/f W. H. LBISTBR & H. P. SGHAEE'FER.l MACHINE FOR LABBLING GYLINDRIGAL PACKAGES.

l APPLICATION FILED FEB. 12, 1907. 1,101,200.

` ATTORNEYS Ma/2M W; H. LEISTER H. P..SGHAEFFER. MACHINE FOR LABBLING GYLINDRIGAL PACKAGES. APPLICATION `FILED FEB.12,V1907.

1,1@1 ,200, Patented June 23, 1914.

13 SHEETSSHEET 12.

l HIII H ATTORNEYS v W. H. -LEISTER & H. P. SCHABFFER. MACHINE PoR LABELING GYLINDRICAL PACKAGES.

APPLICATION FILED FEB. 12, 1907. l

Patented June 23, 1914A 13 SHEETS-SHEET 13.

A TTORNEYS rrED STT Anna f nien.

V YVILLAM H. LEISIER .AND HOWARD F. SCHAEFFER, OF NESTMIANSTER, MARYLAND,

. f. ASSIG'NORS, :BY MESNE ASSIGNMENTS,

TO WESTMINSTER DEPOSIT & TRUST COM- PANY, A CORPORATION 0F MARYLAND.

MACHINE FOR LAizELiNG CYLINDRICAL PACKAGES.

monaco. Y

Specificationy of Letters Patent. Application filed February 12, 197. Serial No. 357,053.

Patented J une 23, 1914i.

n l chines adapted for aiiixing gummed or,`

pasted labels to cans, bottlesor other arti- ;cles having a cylindrical form. As is well i* known to experts and manufacturers, machines heretofore produced for this purpose j have not operated satisfactorily, especially i with labels termed silver, varnish, sizedbackground, etc., and with cans having wide or deep radial flanges on their ends, such as the so called sanitary cans.` We have devised and reduced to entirely successful use a machine which avoids or overcomes these and other difficulties and objections, and ap` pplies labels in a superior and practically perfeet manner, whatever be their nature or peculiarities, or the irregularities of the cans to which they are affixed.

The novel features of the invention are hereinafter described and claimed, together with others necessary to form a complete and operative machine.

In the accompanying drawings, Sheet 1:

l Figure 1 is a perspective view of the entire machine. Sheet 2: Fig. 2 is a plan view of the saine. Fig. 2a is a view illustrating the operation of a brush on a label before its lap end is pasted down. Figs. 2b and 2c are detail views hereinafter referred to. Sheet 3: Figs. 3, Atand 5 are views illustrating the cnaction of certain rolls with the belts that carry the cans y.through the runway.\Y Sheet -lv: Fig. 6 is mainly a plan view of a portion of the machine, certain parts being removed or shown broken away for better illustration. Fig. 7 is a perspectiveview illustrating the yielding bar constituting one side of the runway. Sheet 5: Fig. 8 is mainlya plan view illustrating the .side rails or guides of the runway `and their co-action with cans passing through the latter'. F ig.'

8a is a sectional view illustrating the means for regulating the feed of cans to the nia'- chine. Fig. 9 isv an enlarged cross section on the line 9 9 of Fig. 8. Sheet Fig. 10

is a perspective view of the primary or rst paste-holder. Fig. 11 is a perspective view f of means for regulating the amount of paste' taken up and applied. Fig. 12 isfa view of [a revolving mixer employed in the paste- Vholder. Sheet 7 Fig. 13 is mainly a vertil cal section of the lower portion of the pri- (niary paste-holder. Fig. 13a is a vertical l 1 1 l i 1 i section illustrating the lowered position of the paste-supply device .constituting a part of the paste-holder.l Sheet 8: Fig. 14. is a perspective view of the label holder proper. Fig. 15 is a vertical cross section of a portion of the label holder. Fig. 16 is a bottom plan view of a portion of the label holder. Fig. 17 is a detail section of a portion of the label holder. Sheet/9: Fig. 18 is an enlarged perspective view of the bottom of the label holder inverted. Fig. 19 is a vertical section of the label holder. Sheet 10: Fig. 20 is a vertical longitudinal section'including a portion of the primary paste-holder, the label holder proper and a portion of the second, or final, paste-holder, together with the paste-applying devices pertaining thereto. Sheet 11: Fig. 21 is a side view of -a portion of the label holder illustrating label clamping devices applied thereto. Fig. 22 is a perspective view of a beveled label clamp. Fig. 23 is a perspective view of the device or bar by which the curling of the label 4is immediately produced. Fig. 24 is a cruciform label holder or weight. Sheet 12': Fig 25 is a horizontal section of the second. final paste-holder with pasteapplying devicestherein. Fig. 2G is a vertical section on the line 26-26 of Fig'. 25. Fig. 27 is a vertical section of a portion of .the paste-holdei-.i Fig. 28 is a perspective vview of a device applied to the belt which applies paste tothe lap end of the label, the same serving as a guard and prtector for theI side edge of the label pack. Fig.'29 is a perspective view of one end of said device. Sheet 13: Fig. 30 is a vertical section of the portion of the machine including the cushion. by which nal pressure is applied to the lap end of the label. Fig. 31 is a cross section on the line 31-31'of Fig. 30.. Fig. 32 is a sectional view of the box containing the said cushion and the support for,` the box. Fig. 33 isa longitudinal section ofthe cushion.

The operative parts of our machine are mounted upon and attached to a frame constructed with, special' 'reference to combining maximum lightness, rigidity, and strength. As will be noted in Fig. 1,` the top portion of the frame is formed mainly of angle iron bars 1 arranged parallel and supported by four hollow. iron legs 2 connected by longitudinal tubes 3. In practice, the said legs are provided with horizontal cast iron bases (not shown). As in other machines of this class, the cans roll down an inclined chute 4 and are propelled through a runway at the top of the machine proper;

fand, in traversing this the labels are applied,

the required operations of pasting the can and labels, and curling and stretching the latter being performed with accuracy and despatch, so that the labels are smooth and firmly secured. The novel and improved mechanism for effecting this result will now be described with the required detail. In passing from the chute 4, the cans are admitted intermittently into the runway, the

feed being regulated by wheels 5 (see Figs. 1 and 8a) journaled in pivoted arm 6 adapted. to swing vertically, the wheels being driven by an endless chain 7. The rate of feed of the cans may be increased or diminished while the machine is in motion by adjusting the screw 7 so as to regulate the' drop of the wheels 5. By thus regulating the feed wheels, the engagement of the same with the cans may be varied; and the latter may be' delivered fast or slow as required,

. without involvingany variable speed-driving mechanism. Moreover, the wheels in swinging vertically as they do, drop into any dented portion of a can, and a positive feed of the can is thereby insured, whether its body be perfect or uneven.

The cans are propelled, e. rolled, through the runwayv by means of endless belts S arranged parallel, and running on driving pulleys 9l and smaller pulleys 10,

. mountedin pairs on shafts 11 and 12, and

arranged above and at opposite ends of the can runway. The shaft 11 may be driven by any suitable motor, and is geared with a balance wheel 12. The employment of belts for the purpose ofconveying, or propelling the cans through the machine proper, in connection with guiding or controlling devices operating on the belts, is old, and.

pecially when the belts are run in connection with certain belt guiding and controlling means hereinafter to be described.

Especially designed for use in connection with our form of belt conveyer is a yielding belt-tightener consisting of rollers 1 3, journaled in the free end of an arm 14 which swings on the driving shaft 11, and is arranged between thedriving pulleys, 9.' In operation the weight of this device is borne mainly by t-he belts 8,l but when the machine is not in use /it is advisable to vrelieve the belts of any undue strain. To this end, the vertical space between the pulleys 9, allows therollers tov be thrown back off of the belts. For regaining the proper belt tension on replacing the tightener, no adjustment is required: the belt tightener in conjunction with the belt controlling or guiding devices will cause the belts to assume under a constant and uniform tension their desired twists or reverse angles. Again, our yielding belt tightener has another important function. lVhen, in the operation of the machine, the cans come into contact with and press the belts up, the pressure rolls are at the same time forcing the belts down betweenthe cans; and this reverse'pressure of cans and rollers on the belts gives the latter an undulation, in response to which our belt tightener is free to yield, while nevertheless maintaining the belt tension constant. The tightener, if non-yielding, would not allow the belts satisfactorilyto conform to the curve of the cans, as is necessary in 'eecting positive conveyance of the latter, nor in such instance would the proper reverse angles or twists be obtained, because of the increased tension on the belt due to the undulated form of the belt. It will also be noted that as the belts stretch, the tightener by gravity follows, thus assuring at all times in a stretching belt, a practicall constant tension, and thereby obviating t e necessity of cutting and relacing the belt.

ln Figs. 3, 4, and 5, the belts are shown running in a twist or at reverse angles by virtue of the position and form of the belt rollers, 15, 16, and 17. These rollers are mounted respectively on transverse shafts 15, 16a, and 17, the rollers 15 having fixed bearings in the brackets 18, and the rollers 16 and 17 being held yieldingly (see Figs. 1 and 2) in the parallel arms of vertical brackets 19 and 20, which are bolted to the frame bars 1, 1. As shown in Figs. 3 and 4, the rollers 15 and 16, have convex faces, and (see Fig. 2) the rollers 17, beveled faces. The bearing blocks of shafts 16a and 17a are free to slide vertically in slotted portions of brackets 18, and. are ressed down by springs 18 and 18b (see Figs. 2, 2",\20). The horizontalplate Springs 18 bear upon lateral projections of the bearings of shafts 16EL and of the adjacent shaft 17, and the Lie-1,200

spiral springs 18b are arranged vertically. By these means we provide for `yielding pressure of the rolls or Wheels 16 and 17 e upon the belts and cans.

The vcans are labeled and propelled through the machine proper, by the coperation of the belts 8 with certain devices, and with the sets of rollers Ajust described. It is old in machines of thisclass'," as heretofore mentioned, to propel the cans by the means of belts. ln the machine of our invention, however, the belts are caused to engage the cans and labels 'in such a way as to produce a variety of new results. vIn operation, the Iirst twist or angle of the belts occurs when the can has traveled one half revolutlon from the paste device; and at this point the belts 8 are canted or raised, as

shown in Fig. 3, to prevent their contactv with the pasted portion of the can. In certainmachines, heretofore in use, on the contrary, the belts by coming in Contact with the paste, become gummed, and discolor any light or delicate label. It is old to run conveyer belts at an angle, such having long slnce been done in can soldering machines'. 4ln our invention, however,'we avoid the soiling' nf the labels by employing rollers 15, of special construction and arrangement for twisting the belts. We have found by experiment that the rollers 15, positioned on a transverse shaft., and having convex faces,

maintain the belts at the required an gles and alinement without the aid of flanges or other devices. Vile secure an elastic engagement of the belts with the cans, when the latter are opposite the rollers 15, (see Figs. Q and 3) independently of both the roller bearings dnd the runway. The bearing edges of the rolls 15 are situated below the highest point of the cans, whereby the inner sides of the belts are raised or gently curved, resting with elastic but duly firm pressure on the fianges or heads of the cans, instead of being pressed positively and unyieldingly thereon, as would be the case if the rolls were arranged with their peripheral bearing points directlyopposed to the edges of the can heads. Thls pressure we vary at will by certain adjusting means. The form and location ofthe rolls 15, their distance apart, and their arrangement on a single straight, shaft, also allow the belts 8 to adjust themselves to any variations in diameter and length of the cans without affecting their action en the cans, and we attain a certainty and uniformity of feed, with an elastic pressure of the belts 0n the cans. The form of the face of these rollers being convex as stated.v and the rollers being without Ranges, there is no appreciable Wear 0f the beltsi 'by v the rollers. The distance between rollsv 16 and' 16, (see Figs. 2f-4) is less thanvthe length of the can, whereby the belts 8, at this point are caused to lie flat on the can heads. Then by throwing the belts into an angular position,I the reverse of that, assumed by them at the rollers 15, the belts come into a position to engage or hold the label securely on the can when the latter is midway of the label-bed. The can makes one Vhalf revolution after picking up the label, before the initial end of the label lcomes into position to be engaged and held by the belts, and from this point the label is continuously pressed and held by the belts 'by reason of the reverse angles of the latter, assumed by virtue of the action of the beveledrollers l?, (See Fig. 5), until the lap end of the label issecured. The rollers 16, press the cans on t-he knife 92, Fig. 20, thus forcing the knife into the pack of labels, Whereby the top label is readily picked up by the pasted can, as hereinafter described. The rollers 17, are beveled as shown in Figs. 2 5, whereby the belts, as stated', are caused to run at an angle, reverse to that made by the belts at the rollers 15. This beveled forni of roller, having its greatest diameter on the inside, assures the belt being firmly pressed down on the labels, and prevents dislocation of the label on the can while the those labels having lines of printing or ornamentation which must meet' at the lap, or

otherwise render a package unsightly and objectionable.

ln addition to the features just indicated` we provide for 'lateral adjustment of the rolls on the shafts by means of clamp screws, to accommodate them to variation in length of cans of different manufacture. and also to Avary :their pressure upon the belts', whereby the angle and friction of the latter with the can heads may be varied as required, to insure dueuniformity of feed or advance of the latter along the runway.

'Flic can guides7 or the parallel sides of the can runway (see Figs. 2, 6, 7, 8, and 9) are formed of a movable or yielding member 21 and a fixed member 21a. The latter is a round rod supported by vertical brackets 18', and is placed as low as practicable relative to the bed of thecan runway, so that times do not, for the reasons just pointedY out, opera-te successfully when the cans have lumps of solder deposited on their heads. The construction and continuous form of our guide overcomes this and otherdifficulties to be explained. As a can enters the runway (see Fig. 8) it is pressed between the movable and fixed guides 21 and 21, and the former yields or is nio-ved out laterally to accommodate the length of the can. The end of the fixed guide 21a is turned outward to (facilitate such entrance. The free end of the movable guide 21 is attached to and in part supported in due positionby a plate spring 23. This spring is rivetedpto the side of the feed chute 4, and extends into the runway proper, and has its rear or inner end loosely connected with the guide 21 by a form 24 (see Fig. 9). The inward inclinatio-n of the spring guide 23 is regulated by a set screw 25 as shown. The spring 23 must be placed at an angle or inclination in order' to accommodate cans of different lengths.

Many attempts have been made to produce a perfect or satisfactory movable guide, one which shall have a due degree of elas- .f ticity and flexibility, and shall apply a' duly firm, continuous, and practically uniform pressure to the cans. As the final result of our efforts and experiments, we have devised .a guide possessing these qualities and thus fulfilling all requirements.

Our movable guide comprises a spiral coil of spring wire 26 (see Figs. (3, 7, and 8) supported horizontally by 'a series of curved spring hangers 27, these hangers being secured to a longitudinal bar 28 curved downward on it-sinner side, and in turn supported by rigid arms 29 extending laterally inward from the adjaccnt'brackets 18. The wire coil 2G passes loosely through blocks fixed on the lower ends of hangers 27, and is incased at intermediate points by,elon

gated cylindrical sleeves or tubes 26. The

latter impart rigidity to the coil to the extent-ofEv their several lengths, and also pre- .v vent wear of the spring, and form a smooth cover fore the same, while leaving thecoil free to bend at the joints or meeting points of the sleeves. The adaptation of the guide 21 to yield and bend laterally to accommodate a can. is illustrated in Fig. 8; and it will bcnoted that the elasticity of the hangers 27 is of importance at the time the cans pass them. The cylindrical sleeves or casings present a smooth surface to the cans, and are 'adapted to rotate and produce and Figs. 10 to 13 inclusive.

minimum friction, while a duly elastic or yielding pressure is' maintained, so that any variation in the length of the cans or the presence of lumps of solder thereon are accommodated, and the cans are held fconstantly against the fixed guide 21. 1t' will be noted that the blocks orboxes attached to the supporting spring 27 constitute in effect a part of the rail or movable side guide, and are flush with the tubular covering, or sheathing, 26a. 1n further explanation of another feature, it may be stated that the distance between the fixed and movable guides 21, 21, is normally less than the length ofthe cans, but it is necessary that at the initial or front end of the runway this distance shall be greater in order to allow the cans to enter freely. To this end, the fixed guide is bent outward as shown, and the free end of the flexible or yielding guide is held at an angle `b v the spring 23 (see Fig. 8). llVhile lthe inward` inclination of this spring' is adjustable by the set screw 2G, the elasticity of its inner or free end allows a can to pass freely. The tension of the spring is sufficient to hold the flexible guide at an angle as shown, and a can passes readily from one to the other.

Having now described the runway, the

lfeed belts and the means for holding them in the required relation to the cans, we will pass to description of the first, or primary, paste-holder, illustrated in Figs. 1 and 6,

Vithin the hollow body 30^0f the paste-holder yis arranged a rotatable cylinder or roller 31 hav ing a smooth periphery. On one side and at the top vedge of the body 30 (see Fig. 10) is arranged a scraper 32 the inner edge of which is provided with notches to adapt it to form the paste on the cylinder into strips, spaced apart. This scraper 32 has its notches of any desired shape, such as V, U, etc., spaced apart. The portion of the edge between the notches is against the paste roller 31 and scrapes it practically dry, or leavesvery little paste on the roller'between the notches. This arrangement divides the paste into ridges or strips a distance apart` and these are transferred from the roller to af'can and flattened out to thin layers, when the can comes in contact with the pick up or initial end of a'label. Upon the scraper 32 is arranged an adjustable gage 33 (see Figs, 10 and 11) the same consisting of an oblong straight-edge plate,hav ing transverse slots through which pass screws 34 for securing it adjnstably to the part 32. It will be seen that by adjusting the gage 33 laterally. the amount of' paste taken up by the'roller and allowed to pass the scraper 32 may be regulated as required.

l The roller 31 is preferably made of brass covered with'rubber. The roller comes in contact with the cans passing through the are 1 eco run-way already described,l and applies the paste 1n a narrow strip extending practically the length of the can bodies. Experrence has demonstrated that the usual method of applying` ordinary flour paste to a can for taking up a label is not successful, particularly ywith varnished or heavy labels, that when such paste is applied evenly to a can it does not have the same degree of adhesiveness as when applied in ridges or streaks. lt is manifest that the roller 31 will apply paste to the cans in the form of ridges or strea rs, and that When soapplied, upon contact with the labels, the paste ridges will flatten or press out. lt is at the eXtreme/lateral edges of the. pressed paste Where the label should be held mostlirmly. By apply ing the paste as above. the labels are held at the edges more securely than they would be Were an even coatof paste applied to .the can, i-n which latter case the label would have no stronger 'hold at anyone point than another. Another important feature in applying paste in. this manner, is that rust spots are avoided at the lapped end, di' pasted. portionof the can. continuous or uniform layer fof paste between tin and paper requires a longer time for drying than a. layer Which is of uneven depth as in the case when -paste is `applied in ridges or streaks, and unless the paste does dry quickly, in the case of light. delicate, soft labels, the tin is liable to become so rusted that small rust spots finally appear on the surface of the label, makingan unsightly and objectionable package. Within the paste-pot or paste-holder 30,-and Ain rear of the roll 31 (see Fig. 6) is arranged a rotary stirrer (see lFig. 12) which comprises tWo oblong curved plates 35 supported by radial arms 36 attached to a rotatable transverse shaft 87. This stirrer is rotated by sprockets .and chain, and a` suitable .gear connection with -the shaft 12 ofthe machine, Which require noy detailed description. lt will be seen that the stirrer not only acts as such. 'but also carries or forces the paste toward the roll 3l. so that a constant or uniform feed of paste obtained. -Without this stirrer vthe roll Ell would soon wear av channel in the thick paste. and then no more of the latter would be brought in contact with the roller unless the holder ,-30 is refilled, or other means provided for pushing the paste against the roller. Not onlyy is the gearing which drives the roll and stirrer removable, but the holder itself is adapted to be easily 'and quickly1 detached or replaced when it is required to be cleaned` or for vany other purpose. To this end, it is pro-vided on the front side (see Fig. 10) With-a right an` ular lug 3S, the outer slotted'end of which engages a vertically adjustable pin 39, held in a bracket 40, forming an4J attachment o'f one ofthe cross bars tl of the frame. At its A `vclamp-nut 4:5.

rear end (see especially ig. v6) lthe paste holder 30 is provided with lateral arms or projections@ :that extend beneath the side rails l 'of the frame. Short bolts Llc'pass down through these rails, and .are vdetachably connected withthe arms 42. Upon the top of the rails l is arranged aslide L44 having at one end .a notch or open slot, .and in its body -or main portion, Va closed slot through which passes a .screwy having .a rlfhe slides are provided at their ends Wit-h a -vertical pin 46 by .means of which they may be readily adjusted, 'a'. e.,

slid,.along the rails 1. Ars shown in Fig. 6,

the formed or slotted end of the slide ,passes beneath lthe head of `the screw 43, and thus supports the rear end of the pasteeholder 30. The forked .end .is beveled or Wedge-shaped', as indicated by cross lines, so that lthe slides may be adjusted for the purposeof raising the 2bolts 43, so as to hold the arms -of .the

paste-holder upward against `the under 'side of the rails l. The screw nut Affyserves -to clamp .the slides in any adjustment. Thus, by simply .loosening the nut-s 45, the slides may be drawn back, allowing the .bolts 43 to drop dovunthrough 'the holes in the rails l so that .the rear end of the paste-holder 30A is detached. This allows .the 'bracket 38 .to

be released from the pin 39. Vertical adjustment ofthe frontend ofpaste-holder 30, (see Fig. :10), for raisin i roller 31, as may berrequlred, is .effected by the screw-.threaded .pin 3.9 .Working in the threaded bracket ,40 and .carrying a .nut (39a.) which engages bracket 38. .A jam nut is applied to .the pin, as shown in Fig. 10, to lock .the ,pinzin any adjusted position.

.As Willbeiobserved by inspection-of Figs.

l .andl 13, `the lower -side '.of'thelpaste-holder -A is formed in ,part of apaste-supplying means now to be described. The bottom of the paste-.holder proper, 30, is lprovided with an opening-17, and a.tubular downward extension e8 is attached to the -bottom of .the

paste-holder and `provided .with curved, or bayonet, slots 49 onopposite sides. Apasteholder 50 consisting ofa cylinder, OPQII at the top, :and a .piston .5L-adjustable therein,

is detachably connected Withthe part 4-8, by

means of lateral .pins 52.011 theeylinder 50, adapted to enter and lock .in `.the aforesaid slots 49. vU pon .the longitudinal bars 3 (see Fig. 1) of the frame-.of the maehine,zis supported atransverse baro?) having ,a central perforation, and upon .this bar .is -in turn supported a socket piece having a Gentral openingadapted --to :receive the :rod ,55 or" piston 51. rlfhe socket 54 lis adapted to 'receive and support .the paste-holder 50, as

shown in Fig. 13a. ,The cylinder 50, .togetherwith the piston land'itsrod 55,-.may be easily detached when it is .required @to charge .it zwith paste. 'For :this -purposeit or lowering the 1 and lilled, whereupon it is raised and reengaged with the circular boss 48 as'shown in Fig. 13. Then, by applying upward pressure to the rod 55, the charge of paste may be forced into the holder 30 as required. A spring catch 56 is attached to the lower end of the paste-holder 50 and its hooked Aat free end is adapted to engage notches formed in the piston rod 55, so as to support the piston at any required height. A galvanized. wire screen covers the opening 47 for the purpose of straining the paste, as it is forced through into the holder 30, by the piston 51, whereby anylumps of paste are mashed ory made fine, thus preventing the clogging or filling upof the notches in the scraper 32.

It will be seen vthat the paste-supply device is practically a part of the paste-holder proper 30, since it serves as a bottom or a necessary partthereof, save when detached to be filled with paste. In other words, the paste-holder is made in two parts, a body 30, and a detachable follower bottom 50, the latter being adapted to be conveniently refilled without removing the main portion 30 of the paste-holder. The follower bottom may, however, of course remainattached to part 30, when the latter is detached from the frame.

When paste has been applied to a can by lthe roller 31, as before described,l the lcan passes on over the label bed, and the front end of the topmost label comes inv con'tact with, and adheres to, the paste ridges or strips, so that the label is taken vup andw wound around the can, its opposite end beingpasted by means which will be presently described. The label holder or box is shown detached (but not complete) in Fig. 14. It

is shown' provided with a broad flatbase, or bottom piecel 57, and this, as shown in f Fig. 1, rests upon pendentA brackets or supimportant.

ports 58 attached to the main frame of the machine. A vertical plate or bar 59 is arranged at one end of the base 57, and against this, one end 'of the bunch, or pack, of labels abuts. The`label plate 76 in its vertical movement, is guided by the notch 76a, (see Fig. 18) formed in one end thereof. This notch receives a vertical bar 59 secured (see Fig. 20) to base plate 57 of the label-holder. Without this guide notch 7 6a the label plate 7 6 would turn or twist laterally more or less, thereby throwing the socket 7 8EL in the shaft or rod 78 out of line with spring stop 80, whereupon the latter would not act to hold down the label plate during the refilling of the box with labels. It is obvious the particular form of bar 59 and notch 76a are un- The vertical bar 59 serves as an end guide for the labels, as well as a lateral guide for the label plate 76.4

60 and 61 yindicate the two vertical sides of the label holder. These require to be ad- Ajusted from and toward each other according to the varying width of labels, so that the lat-ter maybe held in alinement with the runway` before described, and thus be applied to the cansl with due accuracy. Adjustment of the sides 60, 61, is provided for by means of a screw shaft 62 (see Figs. 14, 16, 17, 19) mounted slidably in lugs or arms 63 (Figs. 16-19) pendent from the base 57 of the label holder. This shaft is provided with a hand wheel 64, and its ends are provided with right and left hand screw threads` which work in threaded sockets formed in pendent arms 65,66, connected with the respective sides 60, 61. That is to say, t-he arm 65 is rigidly attached to the side 60 of the label holder, while thev side'61 is swiveled on the cylindrical portion 66a of the arm 66.

lt'is obvious that by rota-ting the shaft 62 by means o f a haiid wheel 64, thesides 60, 6l, will be causedA to approach or recede from each other. This adjustment will accommodate the sides to labels of varying gwidths. Labels are frequently slightly wider at one end than at the other, and by pivoting the side guide 61 on part 66, it is allowed to adjust itself parallel with the other guide, or at any required angle thereto. If

.the labels are wider at one end than the other, it will be seen that the guide 61 when drawing in and against the labels, will auto- `i'natically adjust itself so that'the labels will be heldin position, as when of uniform width. In order that the sides 60, 61, when .set in any relative adjustment, may be adjusted 4vtogether laterally in due relation to the runway, we employ the following means:

As shown in Figs. 14,'15` 16, a shaft 67 is journaled in lugs 68 and 69 pendent from thebase 57 of the label holder. The portion of the-shaft 67 passing through the lug 68 is^screw threaded but the shaft is adapted to slide in the other lug 69. Intermediately of the lugs 68, 69, is anl arm 70 on the shaft 67, free to turn in relation theretobut longitudinally fixed, the slotted free end'of which is engaged with a grooved portion 71 ofthe shaft 62. It is apparent that, by rotating the shaft 67` it Willbe moved endwise, and that the lateral arm 70 will thereby be caused to slide the shaft 62 in its bearings,

whereby' the. sides 60, 61, of the label holder be so disposed with respect to the runway as to cause the labels to be applied to any desired parts of the can body. Each of the sides 60, 61, is provided with right angular metano.

alias lor brackets 72, 73, extending iaterally, parallel to each other, and being bolted to the sides as indicated in Fig. 14. These devices constitute vertical supports and lateral guides for the sides 60, 61, their horizontal portions being adapted to slide between cleats 74 .fixed on the base 57. A. clamp screw is applied to one of the guide arms 73, for the purpose of' clamping the sides 60, G1, firmly in any position to which they may lt will be noted that the side (31 is practically pivoted or swiveled on the ,arm or shaft 66a, so that it has a slight os-v cilla-tion in a horizontal plane. The guide arms 72` 73, of the side 61,` are beveled, or tape-red, slightly in their horizontal portions, in order to adapt them to permit this oscillation or adjustment of the side 61.

The bottom of the label holder is shown in Figs. 14, 18, 19. It comprises a central base plate 76, and two adjustable sections or top plates 77. This bottom makes a solid foundation for the pack of labels. rlhe base 76 is provided with a pendent guide rod 78 which passes down through aguide tube 79 forming an attachment of the base plate 57 of the label holder and provided with a Ispring pin 80 (see Fig. 20) adapted to enter a socket 7 8a in rod 78 to'lock the rod and l hold the bottom 77 of the. label plate down when required.l A spiral spring 81 (see Fig. 20) is applied to the lower portion of the rod 78 and serves` to press the bottom of thelabel l plate upwardvso that the top label is alwa s 1n posltion to be engaged by the can. -T e spring is attached to a collar 7 Sbvertically Aadjustable on t-he rod to vary the tension of thespring. The bottom of the label plate must lit closely up to the sides or side guides G0, 61, at the points where thelabels engage the knives, since, if any considerable space be left between them, `the side edges of the labels at the bottom of the pack will tend to drop or bend down into such space, and the f labels thus fail to be taken up and applied to the can with required accuracy. The slidable plates or sections 77 are held close to and inproper relationto the side guides 60, 61` by means of pins or screws 82 (see Figs. 18, 19) fixed.v in the center of the lateral edges of.' such sections, and provided with l enlarged headsthat enter and are adapted to slide in dove-tail grooves 83 (see rFig. 14)

' formed in the inner sides ofthey guides 60,

Y of the sidevguides 60, 61.

61".' Guide and clamp screws 84 are arranged in slots 85 formed in the base 76`l -For the puposeA of holdin down and preventingthe labels from s iting, and

for compressing the pack of labels in the manner required, so as to prevent fluttering of the top label when the machine is running at a. high rate of speed, we employ the following devices: Nearthe rear end of the label pac-ky rests a bar 8G' v(see Figs.v 14, 20, 24) of a double cruciform shape, its ends projecting into and being adapted to work vertically in open slots or notches 87, formed in the top edges of the side guides 60, 61. This device operates by gravity only, and serves to hold the labels down; also in case the varnish on their label faces causes them to adhere to each other, it preventsv the labels beneath the top, one from being drawn up when the top one is being removed by a can. Near the middle of the side guides 60, 61, are arranged two vertically movable devices 88` (see Figs.`14 21) and, at the front end* o'f the same, two fixed devices 89 (see Figs. 14, 21, 22) both of which resemble the points of knife blades, being sharpened, and beveled or rounded, on their under side, or

sel

the side that rests upon the label pack. As

shown, these devices 88, 89, project inward from the sides 60. G1. The middle ones' 88 work in vertical slots formed in the side guides G0,L61, and are attached to the pivwith ease, since the edges of the labels are either drawn oif the bevel points or slitted thereby when lifted. `To prevent a double been applied to the sides of the labels, but

lthese i have .not successfully ser/ved their purpose.` It is principallyvv when cans are running through the machine at a high rate of speed that this serious di'lliculty is experienced. To meet it, we' place centrally of and on the extreme front edge of the label pack a knife 92 (see Figs. 6 and 20) resiliently held by a light plate spring 92a. The point of the knife extends slightly over the label pack, the spring allowing the point to,` be pressed into the label pack, by the can. through the action of the s ring pressed roller 16. Fixed stop knives 89 are placed on the side near the front end of the label holder, to insure the labels being kept at a certain height, lor at a level with the can track or runway, whereby the labels are caused to come into positive contact with. the'pasted portion of' the can.

88 are movable knives, the function of 'pickup or iuttering of labelsdevices have ll-O.

which' is to prevent more than one label be- 

